Home / 883,587.38-1,220,069.67-720,269.51

Finding the Fourth Proportional to 883,587.38, 1,220,069.67 and 720,269.51

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Solution

The fourth proportional to 883,587.38, 1,220,069.67 and 720,269.51 is: 994,558.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,587.38 : 1,220,069.67 = 720,269.51 : x
  2. Step 2: Convert to fraction form
    883,587.38/1,220,069.67 = 720,269.51/x
  3. Step 3: Cross multiply
    883,587.38x = 1,220,069.67 × 720,269.51
  4. Step 4: Simplify right side
    883,587.38x = 878,778,983,376.76
  5. Step 5: Solve for x
    x = 878,778,983,376.76/883,587.38
  6. Step 6: Final answer
    x = 994,558.10

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.